Quasicrystalline overlayer with crystallographic rotational symmetry, by Invitation (International Conference on Explorations in Physics, Kathmandu, Nepal, 2018)
Quasicrystalline thin film of single elements and molecules, by Invitation (Toyota RIKEN International Workshop on Strongly Correlated Electron Systems: Open Space between Heavy Fermions and Quasi-crystals, Nagoya, Japan, 2015)
Templated quasictystalline films of single elements and molecules, by Invitation (Statistical Physics and Low Dimensional Systems, Ponta-Mousson, France, 2014)
Templated quasirystalline ordering of single elements and molecules, by Invitation ( 23rd Congress of International Union of Crystallography, Montreal, Canada, 2014)
Epitaxial phenomena on quasicrystal surfaces, by Invitation (The 28th Meeting of the European Crystallographic Association, Warwick, UK, 2013)
Quasicrystalline thin film of single elements and molecules, by Invitation (The seventh International Conference on Aperiodic Crystals (APERIODIC 2012), Cairns, 2012)
Thin films with exotic structures formed on surfaces of quasicrystals, by Invitation (International Conference on Recent Trends in Advanced Materials (ICRAM-2012), Vellore, India, 2012)
Quasicrystalline thin film of single elements and molecules grown on surfaces of a new quasicrystal, by Invitation (International Conference on Advanced Materials and Nanotechnology for sustainable development (ICAMN2011), Kathmandu, Nepal, 2011)
Single-Element Quasicrystalline Thin Films Formed on Surfaces of Icosahedral Ag-In-Yb Quasicrystal, by Invitation (The 6th Asian International Workshop on Quasicrystals (AIWQ6), 2011)
Surfaces of Ag-based quasicrystals, by Invitation (International Workshop on Surface of Quasicrystals, Tsukuba, Japan, 2010)
Surfaces of i-Cd-Yb family quasicrystals: structure, electronic properties and epitaxy, by Invitation (The 11th International Conference on Quasicrystals (ICQ11), 2010)
Thin Film Growth on Icosahedral i-Ag-In-Yb Quasicrystal Surfaces, by Invitation (Center for Noncrystalline Materials, Deptartment of Metallurgical Engineering, Yonsei University, Seoul, Korea, 2010)
Studies of thin film growth on Tsai type quasicrystals, by Invitation (Surfaces of Complex Metallic Alloys III, 2009)
Epitaxy on Quasicrystals, by Invitation (The Nanoscale Physics Research Laboratory Seminar, 2009)
Ag-Based Quasicrystal: Novel Template for Psedomorphic Films, by Invitation (Frontiers in Complex Metallic Alloys, Zagreb, Croatia, October 1-4, 2008 , 2008)
Surface Studies of Ag-based Quasicrystals: Structure and Growth of Atomic Overlayers, by Invitation (10th International Conference on Quasicrystals, Zurich, Switzerland, July 6-11, 2008, 2008)
Editorships
Journal of Physics: Conf. Series for the 13th International Conference on Quasicrystals, the Institute of Physics (Editorial Board Member, 2016 - present)
Journal of Physics: Conf. Series for the 6th International Conference on Aperiodic Crystals, the Institute of Physics, UK (Editorial Board Member, 2009 - present)
Professional Body Memberships
Engineering and Physical Sciences Research Council (EPSRC) Peer Review College (Associate member, 2018 - 2022)
Thin Film and Surface Groups, the Institute of Physics, UK (Committee member, 2018 - 2023)
Chair, Surface Science Day, the University of Liverpool, UK (Chair, 2017 - present)
13th International Conference on Quasicrystals, Nepal (Chair, 2016 - present)
Nanoscale Physics and Technology Group, the Institute of Physics, UK (Committee member , 2008 - 2011)
The Institute of Physics (IOP) (Member, 2007 - present)
Nepal Physical Society (Life member, 2005 - present)